參數(shù)資料
型號: S1D13305F00B
元件分類: 顯示控制器
英文描述: 640 X 256 PIXELS CRT CHAR OR GRPH DSPL CTLR, PQFP60
封裝: QFP6-60
文件頁數(shù): 50/94頁
文件大?。?/td> 541K
代理商: S1D13305F00B
48
EPSON
S1D13305 Series
Technical Manual
9.4. Memory to Display Relationship
The S1D13305 series supports virtual screens that are
larger than the physical size of the LCD panel address
range, C/R. A layer of the S1D13305 series can be
considered as a window in the larger virtual screen held
in display memory. This window can be divided into two
blocks, with each block able to display a different portion
of the virtual screen.
This enables, for example, one block to dynamically
scroll through a data area while the other acts as a status
message display area. See Figure 37 and 38.
Figure 37. Display layers and memory
Graphics page 3
Display page 3
Display page 2
Display page 1
Character page 1
Character page 3
Display page 1
Display page 3
Layer 1
Display page 2
Graphics page 2
Display page 2
Display page 4
Layer 2
SAD1
SAD3
SAD2
SAD4
SAD1
SAD3
SAD2
SAD4
AP
C/R
W/S = 0
W/S = 1
C/R
CG RAM
Display page 1
Character page 1
Character page 3
Layer 1
Display page 2
Layer 2
SAD1
Graphics page 2
SAD2
SAD3
Display page 3
SAD2
SAD1
C/R
Display page 1
Layer 1
Graphics page 2
Graphics page 1
Layer 2
Layer 3
SAD1
SAD2
SAD3
SAD2
SAD1
C/R
DISPLAY CONTROL FUNCTIONS
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